P0536 Smartphone Based Step Count Measures Correlate with HOOS12 Function and UCLA Activity PROMs during Early Total Hip Arthroplasty Recovery

P0537 Revision Total Hip Arthroplasty in Octogenarians: A Contemporary Update

P0538 The Number of Levels Fused During Lumbar Spinal Fusion Impacts Total Hip Arthroplasty Functional Outcomes

P0539 Performing Total Hip Arthroplasty Before Lumbar Spinal Fusion is Associated with Worse Hip Patient-Reported Outcome Measures

P0540 Is Outcome of Total Hip Arthroplasty for Hip Fracture Inferior to that for Osteoarthritis in Contemporary Arthroplasty Practice?